Repeater模版列中如何动态添加checkbox控件？

ydxuqinghua 2003-09-12 08:43:30

将sqldatareader绑定到Repeater，需要在Repeater模版列中动态添加checkbox，其ID根据数据库中的一个ID字段的值，我的代码如下：
<asp:repeater id="abc" Runat="server">
<ItemTemplate>
<tr>

<asp:checkbox id='<%# databinder.eval(container.dataitem,"id")%>'></asp:checkbox></td>
</tr>

</ItemTemplate>
</asp:repeater>
但在运行的过程中报错！

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ydxuqinghua 2003-09-12

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谢谢大家，现在在上班，回家试后给分！

xavier_lee 2003-09-12

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如果：v1.1
<%# DataBinder.Eval(Container, "DataItem.PhoneNumber") %>

xavier_lee 2003-09-12

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<asp:TemplateColumn HeaderText="客户名称">
<HeaderStyle Width="75px"></HeaderStyle>
<ItemTemplate>
<asp:Label Runat=server text='<%# DataBinder.Eval(Container.DataItem, "name")%>'>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtName" Runat=server Width="75" Text='<%# DataBinder.Eval(Container.DataItem, "name") %>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>

ydxuqinghua 2003-09-12

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对不起，上面的代码是我打错了，实际有<td>和runat=server的，报错为：
<%# databinder.eval(container.dataitem,"id")%>是无效的表达示

saucer 2003-09-12

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see

Creating Web Server Control Templates Dynamically
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbtskcreatingwebservercontroltemplatesdynamically.asp

or try

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<html>
<head>
<script language="C#" runat="server">

DataTable GetDataTable()
{
DataTable tbl = new DataTable();
tbl.Columns.Add("col1", typeof(string));
tbl.Columns.Add("col2",typeof(int));
Random r = new Random();
for(int i=0; i < 10; i++)
{
DataRow dr = tbl.NewRow();
dr["col1"] = "col" + i.ToString();
dr["col2"] = r.Next();

tbl.Rows.Add(dr);
}

return tbl;
}
void Page_Load(Object Sender, EventArgs e)
{
Repeater1.DataSource = GetDataTable().DefaultView;
Repeater1.DataBind();
}

void Repeater1_ItemDataBound(Object Sender, RepeaterItemEventArgs e)
{

if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Controls.Add(new LiteralControl("<tr><td>"));
CheckBox cb = new CheckBox();
cb.ID = (string)DataBinder.Eval(e.Item.DataItem,"col1");
e.Item.Controls.Add(cb);
e.Item.Controls.Add(new LiteralControl("</td><td>"));
Label lbl = new Label();
lbl.Text = DataBinder.Eval(e.Item.DataItem,"col2").ToString();
e.Item.Controls.Add(lbl);
e.Item.Controls.Add(new LiteralControl("</td></tr>"));
}
}

</script>

</head>
<body>

<h3>OnItemDataBound Example</h3>

<form runat=server>

<p>
<asp:Repeater id=Repeater1 OnItemDataBound="Repeater1_ItemDataBound" runat="server">
<HeaderTemplate>
<table border=1>
<tr>
<td><b>Col1</b></td>
<td><b>Col2</b></td>
</tr>
</HeaderTemplate>

<FooterTemplate>
</table>
</FooterTemplate>

</asp:Repeater>

<asp:Button id=btn runat=server Text=Submit />
</form>
</body>
</html>

fengliudai 2003-09-12